Bump pypdf from 6.1.0 to 6.1.1

Bumps [pypdf](https://github.com/py-pdf/pypdf) from 6.1.0 to 6.1.1.
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@6.1.0...6.1.1)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]